when clicking on a link, change the hash in the url. fixes #3
0.1.4
options.duration can now be a user function that computes the duration time
Describe functional options.duration in README
Merge branch 'master' of https://github.com/ydm/skrollr-menu
Fix a small error in README
Fix jshint errors
Merge pull request #9 from ydm/master

User function to compute duration
simplified the `duration` option handling
documentation for `duration` option
0.1.5
Typo, comma was forgotten after easing.
Merge pull request #13 from mtsprankle/patch-1

Typo, comma was forgotten after easing.
don't jump to the hash on page load, only after init is called. references #8, #12, #19
0.1.6
Ensure that popstate event handler is removed when skrollr is destroyed
Merge pull request #21 from LyleE/master

Ensure that popstate event handler is removed when skrollr is destroyed
0.1.7
Add function to get scroll item's position
Clean update